13499990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{27551}}^1$

素因数の和:27572

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 14768362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 27551, 55102, 137755, 192857, 275510, 385714, 964285, 1349999, 1928570, 2699998, 6749995, 13499990]

約数ペア:

[(1, 13499990), (2, 6749995), (5, 2699998), (7, 1928570), (10, 1349999), (14, 964285), (35, 385714), (49, 275510), (70, 192857), (98, 137755), (245, 55102), (490, 27551)]